Transmission Internal Mode Switch Logic
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Transmission Internal Mode Switch Logic
| Range | A | B | C | P |
|---|---|---|---|---|
| P | OFF | ON | ON | OFF |
| R Transitional | OFF | OFF | ON | OFF |
| R | OFF | OFF | ON | ON |
| N | ON | OFF | ON | OFF |
| D Transitional | ON | OFF | OFF | OFF |
| D | ON | OFF | OFF | ON |
| *M | OFF | OFF | OFF | OFF |
| D1 Transitional | OFF | ON | OFF | OFF |
| 1 | OFF | ON | OFF | ON |
| Invalid | ON | ON | ON | ON |
| Invalid | ON | ON | ON | OFF |
| Invalid | OFF | ON | ON | ON |
| Invalid | ON | OFF | ON | ON |
| Invalid | OFF | OFF | OFF | ON |
| Invalid | ON | ON | OFF | ON |
| ON = Open Circuit OFF = Grounded Circuit *M mode allows TAP Up/TAP Down feature functionally between 1st through 6th ranges. In this range, logic states do not change. |
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